If you keep the stock head unit and want to run the PC's audio into it, just get the auxillary input kit from BMW. Your '04 will have no problems with this and you won't have to tap into anything at...

Well in all line level audio there is always a common ground: unbalanced has a signal and GND, unbalanced has 2 balanced signal wires (+ and -) and GND; however common ground in speaker wiring means...

Well trying to match it 100% with texturing and paint will be hit and miss... You could probably get the SEM texture paint technique to get you close -- you'd have to really practice with it though....

You will have to fabricate your own. There is no BMW part to fit there. May I ask why you are relocating your AC controls then? You didn't happen to find a head unit with a flip-DOWN screen did you?...

Yes, I have no problem with this. Feel free to translate away; however I would request that you include a link to my website: http://www.blurbco.com/~gork/ and a note that I can only answer questions...

It's bad form to not post any kind of update as to what is actually going on with this power cord business. This 'guaging demand' thing is a total red herring. 100% of the people installing mac minis...

As to the ground issue -- The audio ground is sometimes seperate from the chassis GND. They can be different. I'm not sure if they are or not in the BMW. There's only one GND wire in the main harness...

I would hope that they have fairly decent color reproduction since they are used on a great deal of consumer to very high end professional cameras (Video and Digital) where color reproduction matters...

I loop the power antenna/amp turn on wire in the harness back to the 12V ignition wire in the same harness so that when the car turns on the amp turns on. I have not ever tried to feed that wire 12V...